UnitaryTests/SCardExclusiveBehaviour.py
#!/usr/bin/env python3
# Check the return value of SCardConnect() on a reader already used in
# SCARD_SHARE_EXCLUSIVE mode
"""
# Copyright (c) 2010 Jean-Luc Giraud (jlgiraud@mac.com)
# All rights reserved.
"""
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
from smartcard.scard import *
from smartcard.pcsc.PCSCExceptions import *
from smartcard.Exceptions import NoReadersException
import sys
def Connect(mode):
""" Connect """
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if hresult != SCARD_S_SUCCESS:
raise EstablishContextException(hresult)
hresult, readers = SCardListReaders(hcontext, [])
if hresult != SCARD_S_SUCCESS:
raise ListReadersException(hresult)
print('PC/SC Readers:', readers)
if (len(readers) <= 0):
raise NoReadersException()
reader = readers[0]
print("Using reader:", reader)
hresult, hcard, dwActiveProtocol = SCardConnect(hcontext, reader,
mode, SCARD_PROTOCOL_ANY)
return hresult, hcontext, hcard, reader
def ConnectWithReader(readerName, mode):
""" ConnectWithReader """
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if hresult != SCARD_S_SUCCESS:
raise EstablishContextException(hresult)
hresult, hcard, dwActiveProtocol = SCardConnect(hcontext, readerName,
mode, SCARD_PROTOCOL_ANY)
return hresult, hcontext, hcard
def main():
"""docstring for main"""
hresult, hcontext1, hcard1, readerName = Connect(SCARD_SHARE_EXCLUSIVE)
if hresult != SCARD_S_SUCCESS:
print("Test1: Error creating first exclusive connection % x" %
hresult)
return
hresult, hcontext2, hcardTest2 = ConnectWithReader(readerName, SCARD_SHARE_SHARED)
if hresult != SCARD_E_SHARING_VIOLATION:
print("Test1: Expected %s (SCARD_E_SHARING_VIOLATION) but got %s"
% (SCardGetErrorMessage(SCARD_E_SHARING_VIOLATION),
SCardGetErrorMessage(hresult)))
return
SCardDisconnect(hcard1, 0)
hresult, hcontext1, hcard1 = ConnectWithReader(readerName, SCARD_SHARE_SHARED)
if hresult != SCARD_S_SUCCESS:
print("Testt2: Error creating first shared connection % x" %
hresult)
return
hresult, hcontext2, hcardTest2 = ConnectWithReader(readerName, SCARD_SHARE_EXCLUSIVE)
if hresult != SCARD_E_SHARING_VIOLATION:
print("Test2: Expected %s (SCARD_E_SHARING_VIOLATION) but got %s"
% (SCardGetErrorMessage(SCARD_E_SHARING_VIOLATION),
SCardGetErrorMessage(hresult)))
sys.exit(1)
print("Test successful")
if __name__ == '__main__':
main()